| http://www.w3.org/ns/prov#value | - Hydrophilic substances may also be contained within the cell, such as polyethylene glycol, polyacrylic acid, dextran, and surfactants such as those marketed by Rohm & Haas Company of Philadelphia, Pa., under the trade name TRITON??? or by ICI Americas Inc. of Wilmington, Del., under the trade name TWEEN???.
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